Bootstrap 4 dropdown profile - выпадающий профиль

<link href="https://bootswatch.com/4/materia/bootstrap.min.css" rel="stylesheet"/> 
 
   <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> 
   <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script> 
   <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script> 
    <nav class="navbar navbar-expand-lg navbar-dark bg-primary nav-header"> 
      <a class="navbar-brand" href="#">TEST</a> 
      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01" aria-expanded="false" aria-label="Toggle navigation"> 
        <span class="navbar-toggler-icon"></span> 
      </button> 
 
      <div class="collapse navbar-collapse" id="navbarColor01"> 
        <ul class="navbar-nav mr-auto"> 
            <li class="nav-item"> 
            <a class="nav-link" href="#">Home</a> 
            </li> 
 
            <li class="nav-item dropdown active"> 
                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> 
                    Courses 
                </a> 
                <ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink"> 
 
                </ul> 
            </li> 
 
            <li class="nav-item"> 
            <a class="nav-link" href="webinars">Webinars</a> 
            </li> 
 
            <li class="nav-item"> 
            <a class="nav-link" href="#">Library</a> 
            </li> 
 
            <li class="nav-item"> 
            <a class="nav-link" href="#">Instructins</a> 
            </li> 
        </ul> 
        <ul class="proflie-dropdown navbar-nav"> 
            <li class="nav-item d-inline"> 
                <a class="btn btn-secondary dropdown-toggle" href="#" role="button" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> 
                    Username 
                </a> 
                <div class="dropdown-menu" aria-labelledby="dropdownMenuLink"> 
                    <img class="float-left" src="img/users/kolyan.jpg" alt=""> 
                    <p>Username</p> 
                    <br> 
                    <br> 
                    <p class="float-left">Name</p> 
                    <p>Surname</p> 
                    <p>Status</p> 
                  <div class="dropdown-divider"></div> 
                  <div class="btn-group" role="group" aria-label="Basic example"> 
                    <a class="btn btn-secondary" href="#">Открыть профиль</a> 
                    <a class="btn btn-danger" href="#">Выход</a> 
                  </div> 
                </div> 
                <!-- <div class="dropdown-menu dropdown-menu-right" x-placement="bottom-start" aria-labelledby="dropdownMenuLink" > 
 
                </div> --> 
            </li> 
        </ul> 
      </div> 
    </nav>